Knob for a length adjustment mechanism for a strap



FIG. 1 is a perspective view of a knob for a length adjustment mechanism for a strap according to the present design;

FIG. 2 is a top plan view of the knob for a length adjustment mechanism for a strap of FIG. 1;

FIG. 3 is a front elevational of the knob for a length adjustment mechanism for a strap of FIG. 1;

FIG. 4 is a bottom plan view of the knob for a length adjustment mechanism for a strap of FIG. 1;

FIG. 5 is a rear elevational view of the knob for a length adjustment mechanism for a strap of FIG. 1;

FIG. 6 is a right side elevational view of the knob for a length adjustment mechanism for a strap of FIG. 1; and,

FIG. 7 is a left side elevational view of the knob for a length adjustment mechanism for a strap of FIG. 1.

The broken lines shown in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a knob for a length adjustment mechanism for a strap, as shown and described. 